Public Water Systems
143,076 active public water systems, tracked from EPA's Safe Drinking Water Information System (SDWIS) across all 50 states. See our methodology.
| System Name | Location | Population | Violations | PFAS |
|---|---|---|---|---|
| Gw Santa Cruz Water Co - Red Rock | Maricopa, AZ | 3,813 | 32 | - |
| Harris Fort Bend Counties MUD 1 | Houston, TX | 3,812 | 0 | Clean |
| Solomons | Prince Frederick, MD | 3,811 | 12 | Clean |
| Bishopville Town of (Sc3110001) | Bishopville, SC | 3,810 | 28 | Clean |
| Southern Rankin W/a #2 Plain | Florence, MS | 3,810 | 536 | Clean |
| Lone Butte Industrial | Chandler, 09 | 3,810 | 24 | Clean |
| Mooreville-Richmond W/a #1 | Mooreville, MS | 3,807 | 1,178 | Clean |
| Unadilla | Unadilla, GA | 3,806 | 72 | Clean |
| Northwest Harris County MUD 30 | Houston, TX | 3,804 | 0 | - |
| Red Bud | Red Bud, IL | 3,804 | 67 | Clean |
| Midland Psd | Beverly, WV | 3,802 | 116 | Clean |
| Chipeta WD | Montrose, CO | 3,802 | 5 | Detected |
| San Joaquin County-Mokelumne Acres | Stockton, CA | 3,802 | 0 | Detected |
| Tri Town Water District | Bridport, VT | 3,800 | 67 | Clean |
| Woodway Water Authority | Pennington Gap, VA | 3,800 | 21 | Clean |
| Lamar Cisd Within Fbcmud 132 | Rosenberg, TX | 3,800 | 0 | - |
| Crockett County Wcid 1 Ozona | Ozona, TX | 3,800 | 29 | Clean |
| Petroleum Valley Rwa | Petrolia, PA | 3,800 | 25 | - |
| Somerset Twp Muni Auth Oakridg | Somerset, PA | 3,800 | 118 | Clean |
| Tobyhanna Army Depot | Tobyhanna, PA | 3,800 | 348 | Clean |
| Pawhuska | Pawhuska, OK | 3,800 | 230 | Clean |
| Sidney Village | Sidney, NY | 3,800 | 219 | Detected |
| Edgewood Water Company | Stateline, NV | 3,800 | 18 | Clean |
| Jaffrey Water Works | Jaffrey, NH | 3,800 | 112 | Detected |
| Penacook Boscawen Water Pct | Nashua, NH | 3,800 | 50 | Clean |
| Lower Bartlett Water Pct | Intervale, NH | 3,800 | 15 | Clean |
| South Deerfield Water Supply District | South Deerfield, MA | 3,800 | 96 | Clean |
| Sun Outdoors Sarasota | Southfield, FL | 3,800 | 10 | Clean |
| Adc - Cummins Unit Maint | Grady, AR | 3,800 | 48 | Clean |
| Warm Springs Water Treatment Plant | Warm Springs, 10 | 3,800 | 383 | Clean |
| Graham County Utilities - Pima | Pima, AZ | 3,799 | 152 | - |
| Willow County Water District | Ukiah, CA | 3,797 | 7 | Clean |
| Oceana Community Of | Oceana, WV | 3,796 | 526 | - |
| King County Water District 119 | Duvall, WA | 3,796 | 3 | Clean |
| Copiah-New Zion Water Assn,inc | Crystal Springs, MS | 3,791 | 1,133 | Clean |
| Town of Charlestown | Willards, MD | 3,791 | 49 | - |
| Carter Lake Water District | Carter Lake, IA | 3,791 | 73 | Detected |
| Ctwc - Naugatuck Reg-Thomaston System | Clinton, CT | 3,789 | 84 | Clean |
| San Felipe Black Mesa Casino | San Felipe Pueblo, 06 | 3,789 | 38 | Clean |
| Everson City Of | Everson, WA | 3,788 | 45 | Clean |
| Brinkerhoff Water District | Fishkill, NY | 3,788 | 10 | Detected |
| Forestville Water District | Forestville, CA | 3,788 | 2 | - |
| Mora | Mora, MN | 3,786 | 25 | Detected |
| North Muskegon | North Muskegon, MI | 3,786 | 6 | Clean |
| Highland Township | Waterford, MI | 3,786 | 11 | Clean |
| Greene County RWD | Carrollton, IL | 3,786 | 18 | - |
| Northstar Mdwca | Aztec, NM | 3,784 | 112 | Clean |
| Stanley Lake MUD | Montgomery, TX | 3,783 | 29 | Clean |
| Pleasant Valley Pwd | Peoria, IL | 3,783 | 58 | Detected |
| City of Springtown | Springtown, TX | 3,781 | 182 | Clean |